14 million tonnes of microplastics at sea level: Australian study

14 million tonnes of microplastics at sea level: Australian study

Sydney: According to Australia’s National Science Agency, the world’s ocean floor is filled with an estimated 14 million tonnes of microplastics, which enter the oceans every year.
The amount of small pollutants was 25 times greater than previous localized studies, the agency said, calling it the first global estimate of c-floor microplastics.
Researchers at an agency called CSIRO used a robotic submarine to collect samples from depths up to 3,000 m (9,850 ft) off the South Australian coast.
“Our research found that there is a sink for deep-sea microplastics,” said leading research scientist Dennis Hardness.
“We were surprised to observe high micro loads in such a remote location.”
Scientists, who have published their findings in the peer-reviewed journal Frontiers in Marine Science, said that areas with more floating garbage usually had more microplastic fragments on the ocean floor.
“Plastic pollution that ends up in the ocean, deteriorates and breaks down, ends up as microplastic,” said study lead Justin Barrett.
“Results show that microplastic is actually sinking on the ocean floor.”
Hardness called for immediate action to find solutions to marine plastic pollution, which affects ecosystems, wildlife, and human health.
“Government, industry and the community need to work together to reduce the amount of litter that appears on our beaches and our oceans,” she said.

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